/* Gauge - Performance Measurement Framework for Mobile Platforms
 * Copyright (C) 2013, Juha Hytonen <juha.a.hytonen@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.gauge.GaugeAgent;

/**
 * Base class for runners running actions on given intervals.
 */
public abstract class AbstractPeriodicRunner extends AbstractRunner {

	private int millisecsBetweenRuns;
	private volatile boolean requestStop;
	
	public AbstractPeriodicRunner(int millisecsBetweenRuns) {
		this.millisecsBetweenRuns = millisecsBetweenRuns;
		this.requestStop = false;
	}
	
	public final void Stop() throws Exception {
		requestStop = true;
		super.Stop();
	}
	
	@Override
	public final void execute() {
		while (!requestStop) {
			try {
				Thread.sleep(millisecsBetweenRuns);
				onExecute();
			}
			catch(InterruptedException e) {
			}
		}
	}

	protected abstract void onExecute();
	
}
